EL DORADO ID - MAIN Water Quality Report
Population
132,171
people served
Water Source
🌊 Surface
rivers, lakes, reservoirs
National Rank
Top 43%
of 49,184 US systems
5-Year Record
✅ Clean
no violations
A
Safe
Safety Grade
0 violations in the past 5 years, including 3 health-based
System Details
- PWSID
- CA0910001
- Population Served
- 132,171
- Water Source
- Surface Water
- Owner
- Local Government
- State
- California
- EPA Region
- 9
Contaminants of Concern
| Contaminant | Status | Violations |
|---|---|---|
| Contaminant 0300 | ✕ Health-Based | 2 |
| Contaminant 0200 | ✕ Health-Based | 1 |
Violation History
2003
1
2001
1
1998
1
Total violations on record: 3
Service Area
Cities Served
ZIP Codes Served
How does this compare?
This systemNational average
Grade A
Avg: B-C
3violations total
11% of national average
National avg: ~28 per system
🏙️ This is a large system — serving 20× more people than the national average.